Chemical Properties Answers

17 verified answers3 views
5

Burning wood:

A
physical change
B
chemical change
6

Baking a cake:

A
physical change
B
chemical change
7

Which statements describe chemical changes? Check all that apply.The after-rain smell is produced by an interaction between rain and the oils released by plants.A homemade volcano can be created by combining baking soda and vinegar. When it erupts, carbon dioxide gas is released.Sheep are sheared for their wool. The wool is cleaned and twisted into yarn. The yarn is dyed and used to knit clothing.The Statue of Liberty has turned green over time due to the reaction of copper with carbon dioxide and water.Mosaic art is created by smashing colored glass tiles and rearranging them to form a picture or design.

A
The after-rain smell is produced by an interaction between rain and the oils released by plants.
B
A homemade volcano can be created by combining baking soda and vinegar. When it erupts, carbon dioxide gas is released.
C
Sheep are sheared for their wool. The wool is cleaned and twisted into yarn. The yarn is dyed and used to knit clothing.
D
The Statue of Liberty has turned green over time due to the reaction of copper with carbon dioxide and water.
E
Mosaic art is created by smashing colored glass tiles and rearranging them to form a picture or design.
9

Smashing a soda can:

A
physical change
B
chemical change
10

The element nickel has a boiling point of 2,913°C.

A
physical property
B
chemical property
11

Smashing a soda can:

A
physical change
B
chemical change
12

Hydrogen is the least dense of all elements.

A
physical property
B
chemical property
13

Shredding paper:

A
physical change
B
chemical change
15

Chopping wood:

A
physical change
B
chemical change
17

Hydrogen is the least dense of all elements.

A
physical property
B
chemical property

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